I have recently acquired over 30 of the large 66"-72" Gulf Dealer signs and am trying to find specific information on them. I would like to eventually sell them, but I am generally interested in them and their history, dating, etc. but cannot find anywhere to locate this info. I am not a Gulf or petroliana collector but I want to be able to accurately grade and date these signs before we sell them and also be able to price them accordingly. I have gotten some general advice, but there has to be some more specifics. I have checked into the price guides but these signs are apparently not covered. Is there a standardized method of grading/valuating that is used or does it just go by description and whatever price is set by the seller? Please let me know any information that you may have. Thank you very much.
Don
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